<?php

use App\Models\MasterImage;
use App\Models\Reservation;

beforeEach(function () {
    Reservation::query()->delete();
});

it('creates a reservation when area is free', function () {
    MasterImage::create(['path' => 'master.png', 'version' => 1]);

    $payload = ['x' => 10, 'y' => 10, 'w' => 20, 'h' => 20, 'offsetX' => 0, 'offsetY' => 0];

    $response = $this->postJson('/api/grid/reserve', $payload);
    $response->assertSuccessful();

    $data = $response->json();
    expect($data['reservation_id'])->toBeInt();
    expect(Reservation::count())->toBe(1);
});

it('returns 409 when overlapping reservation exists', function () {
    MasterImage::create(['path' => 'master.png', 'version' => 1]);

    // Existing reservation occupies cells 1..3 x 1..3
    Reservation::create(['x' => 1, 'y' => 1, 'w' => 3, 'h' => 3, 'status' => 'held', 'reserved_until' => now()->addMinutes(5)]);

    // Attempt overlapping reservation (pixel coords mapping to cell 2,2..)
    // cellSize default 20 -> cell 2 starts at pixel 40
    $payload = ['x' => 40, 'y' => 40, 'w' => 40, 'h' => 40, 'offsetX' => 0, 'offsetY' => 0];
    $response = $this->postJson('/api/grid/reserve', $payload);
    $response->assertStatus(409);
});